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smart_shim: fix hibernation

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Signed-off-by: AuxXxilium <info@auxxxilium.tech>
This commit is contained in:
AuxXxilium 2024-03-16 14:31:58 +01:00
parent d2d97c3790
commit bd1cb390b3
1 changed files with 4 additions and 2 deletions
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2
shim/storage/smart_shim.c
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@ -684,8 +684,10 @@ static int handle_hdio_drive_cmd_ioctl(struct block_device *bdev, fmode_t mode,
//Before we execute ioctl we need to save the original header as ioctl will override it (they share buffer)
u8 req_header[HDIO_DRIVE_CMD_HDR_OFFSET];
if(unlikely(copy_from_user(req_header, buff_ptr, HDIO_DRIVE_CMD_HDR_OFFSET) != 0)) {
if (buff_ptr != NULL) {
pr_loc_err("Expected to copy HDIO_DRIVE_CMD header of %d bytes from %p - it failed", HDIO_DRIVE_CMD_HDR_OFFSET,
buff_ptr);
}
return -EIO;
}